Ministry of Earth Sciences
Southwest Monsoon has further advanced into more parts of central Arabian Sea, some more parts of Maharashtra, entire Karnataka, some more parts of Telengana, entire Tamil Nadu, some more parts of Andhra Pradesh, more parts of central Bay of Bengal, northeast Bay of Bengal, entire northeastern states of India , most parts of Sub-Himalayan West Bengal & Sikkim today
According to the National Weather Forecasting Centre of the India Meteorological Department:

ALL INDIA WEATHER SUMMARY AND FORECAST BULLETIN
SignificantWeatherFeatures
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Southwest Monsoon has further advanced into more parts of central Arabian Sea, some more parts of Maharashtra, entire Karnataka,some more parts of Telengana, entire Tamil Nadu, some more parts of Andhra Pradesh, more parts ofcentral Bay of Bengal and northeastBay of Bengal and thenceentire northeastern states of India,most parts of Sub-HimalayanWestBengal& Sikkimtoday,the 06thJune2021.
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The Northern Limit of Monsoon  passes through lat. 18.0°N/ Long. 65°E, lat. 18.5°N/ Long. 70°E, Alibagh, Pune, Medak,Nalgonda,Rentachintala,Sriharikota,lat. 14°N/Long.85.0°E,16°N/88°E,20°N/90.5°Eand24.0°N/89.5°EandBagdogra.
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Due to strengthening of southwesterly winds and a cyclonic circulation over Sub-Himalayan West Bengal & neighbourhood in lower tropospheric level; fairly widespread to widespread rainfall activity very likely over Northeastern states and adjoining East India during next 4-5 days. Isolated heavy rainfall very likely over Arunachal Pradesh on 06th & 08th; over Assam & Meghalaya & Sub-HimalayanWest Bengal & Sikkim on 08th & 09h; over Nagaland, Manipur, Mizoram & Tripura on 06th-07th; over Odisha on 08th & 09th; over Gangetic West Bengal on 10th June. Isolated heavy to very heavy rainfall also very likely over Assam & Meghalaya & Sub-HimalayanWestBengal& Sikkimontoday,the 06thJuneandoverOdishaon 10thJune.
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Under the influence of the off-shore trough at mean sea level from north Maharashtra coast to north Kerala coast and a cycloniccirculationoverKonkan&Goainlowertroposphericlevels;scatteredtowidespreadrainfallaccompaniedwiththunderstorm,lightningandgustywinds very likelyoverpartsofsouth peninsularIndiaandWestcoastwithisolated heavyrainfall today, the06thJune2021.
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Strongsurface windslikelytoprevailover plainsofNorthwestIndiaduring08th-10th June.
WeatherWarningduringnext5daysWeatherWarningduringnext5days06 June : ♦ Thunderstorm with lightning & gusty winds  at isolated places very likely over East Rajasthan; withlightning&gustywindsatisolatedplacesoverUttarakhand, EastMadhyaPradeshandJharkhandandwithlightningatisolatedplaces over Jammu & Kashmir, Ladakh, Gilgit-Baltistan & Muzaffarabad, Himachal Pradesh, Punjab, Haryana, Chandigarh & Delhi, Uttar Pradesh, WestMadhyaPradesh,Vidarbha, Chhattisgarh, WestBengal&Sikkim, Andaman&NicobarIslands,ArunachalPradesh,Assam&Meghalaya,Nagaland,Manipur,Mizoram & Tripura, Gujarat state, Madhya Maharashtra, Marathwada, Konkan & Goa, Telangana, Rayalaseema, Karnataka, Tamil Nadu, Puducherry &Karaikal,Kerala&MaheandLakshadweep.
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Thunderstorm/Duststormwithlightning&gustywindsverylikelyatisolatedplacesoverWestRajasthan.
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HeavytoVeryHeavyRainfallatisolatedplacesverylikelyoverSub HimalayanWestBengal&SikkimandAssam&MeghalayaandHeavyRainfallatisolated places over Arunachal Pradesh, Nagaland, Manipur, Mizoram & Tripura, Madhya Maharashtra, Konkan & Goa, Karnataka and Tamil Nadu,Puducherry&Karaikal.
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StrongWindsverylikelyoverSouthwest&WestcentralArabianSea.Fishermenareadvisednottoventureintotheseareas.
07 June : ♦ Thunderstorm with lightning & gusty winds  at isolated places very likely over East Rajasthan andAndaman & Nicobar Islands; with lightning & gusty winds  at isolated places over West Madhya Pradesh and Vidarbha andwith lightning at isolated places over Uttar Pradesh, Chhattisgarh, Odisha, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Gujarat state,Madhya Maharashtra, Marathwada, Konkan & Goa, Coastal Andhra Pradesh & Yanam, Telangana, Coastal & South Interior Karnataka, Tamil Nadu,Puducherry&Karaikal,Kerala&MaheandLakshadweep.
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HeavyRainfallatisolatedplacesverylikelyoverAndaman&NicobarIslands,Assam&MeghalayaandNagaland,Manipur,Mizoram&Tripura.
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StrongWindsverylikelyoverSouthwest&WestcentralArabianSea.Fishermenareadvisednottoventureintotheseareas.
08 June : ♦Thunderstorm with lightning & gusty winds  at isolated places very likely over Andaman & NicobarIslands;withlightning&gustywindsatisolatedplacesoverWestMadhyaPradesh,Vidarbha,ChhattisgarhandBiharandwithlightningatisolatedplacesoverEastRajasthan,GangeticWestBengal,Odisha,Gujaratstate,CoastalAndhraPradesh&Yanam,Telangana,Coastal&SouthInteriorKarnataka,TamilNadu,Puducherry&Karaikal,Kerala&MaheandLakshadweep.
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HeavyRainfallatisolatedplacesverylikelyoverSub-HimalayanWestBengal&Sikkim,Odisha,Andaman&NicobarIslands,ArunachalPradesh,Assam&MeghalayaandKerala&Mahe.
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Strong Winds  very likely over Southwest &Westcentral Arabian Sea;  over NortheastArabianSeaandSouthwest,CentralBayofBengal&AndamanSea.SquallyWeatheralong&offKeralacoast,LakshadweepareaandGulfofMannar.Fishermenareadvisednottoventureintotheseareas.
09 June : ♦ Thunderstorm with lightning & gusty winds  at isolated places likely over Andaman & Nicobar Islands;with lightning & gusty winds  at isolated places over East Uttar Pradesh, Madhya Pradesh, Vidarbha, Chhattisgarh, Bihar,JharkhandandGangeticWestBengalandwithlightningatisolatedplacesoverGujaratstate,CoastalAndhraPradesh&Yanam,Telangana,Coastal&SouthInteriorKarnataka,Kerala&MaheandLakshadweep.
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HeavyRainfallatisolatedplaceslikelyoverSub-HimalayanWestBengal&Sikkim,Odisha,Andaman&NicobarIslands,Assam&MeghalayaandKerala&Mahe.
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Strong Winds  likely over Southwest &Westcentral Arabian Sea;  over Northeast ArabianSeaalong&offsouthGujaratcoastandNorth,CentralBayofBengal&AndamanSea.SquallyWeatheralong&offKeralacoastandLakshadweeparea.Fishermenareadvisednottoventureintotheseareas.
10 June : ♦ Thunderstorm with lightning & gusty winds  at isolated places likely over Andaman & Nicobar Islands;withlightning&gustywindsatisolatedplacesoverUttarakhand,EastUttarPradesh,MadhyaPradesh,Vidarbha,Chhattisgarh,Bihar,JharkhandandGangeticWestBengalandwithlightningatisolatedplacesoverGujaratstate,CoastalAndhraPradesh&Yanam,Telangana,Karnataka,Kerala&MaheandLakshadweep.
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Heavy to Very Heavy Rainfall at isolated places likely over Odisha and Heavy Rainfall at isolated places over Chhattisgarh, Gangetic West Bengal,Andaman&NicobarIslands,Assam&MeghalayaandKonkan&Goa.
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Strong Winds  likely over Southwest &Westcentral Arabian Sea;  over Northeast ArabianSeaalong&offsouthGujaratcoastandNorth,CentralBayofBengal&AndamanSea.Fishermenareadvisednottoventureintotheseareas.

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